iOS View添加点击事件

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iOS View添加点击事件

单击

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self.showImageView.isUserInteractionEnabled = true;
    
let tapImgOnce = UITapGestureRecognizer.init(target: self, action: #selector(tapImgViewHandle(image:)))
tapImgOnce.numberOfTapsRequired = 1;
tapImgOnce.numberOfTouchesRequired = 1;
self.showImageView.addGestureRecognizer(tapImgOnce)

调用的事件

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@objc func tapImgViewHandle(image:UIImageView){

}

双击

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let tapImgTwice = UITapGestureRecognizer.init(target: self, action: #selector(tapImgViewHandleTwice(image:)))
tapImgTwice.numberOfTapsRequired = 2;
tapImgTwice.numberOfTouchesRequired = 1;
self.showImageView.addGestureRecognizer(tapImgTwice)

双击时使单击事件失效

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tapImgOnce.require(toFail: tapImgTwice);